CN104927183A - Method for producing building wood plastic template by using waste PP recycled material - Google Patents

Abstract

The invention discloses a method for producing a building wood plastic template by using a waste PP recycled material, wherein the wood plastic template is prepared by the following raw materials: 100 parts of the waste PP recycled material, 25-40 parts of a wood fiber powder with the particle size of 50-100 mesh, 2-3 parts of a lubricant paraffin, 2-3 parts of a compatilizer CPE, 2-3 parts of Hst., 5-7 parts of a tackifier, 0.5-1 part of an antioxidant 1010, 3-5 parts of rutile type titanium dioxide, 8-10 parts of a flame retardant, and 2-5 parts of nano silicon dioxide, wherein the wood fiber powder is a dry wood fiber powder having the water content of not more than 10% and prepared from peanut shells and a legumes straw powder. The method comprises the steps: 1) recycled material cleaning treatment; 2); mixing; and 3) molding. The produced building wood plastic template has the advantages of strong anti-fouling capability, low cost and the like.

Description

Waste PP reclaimed materials is utilized to produce the method for wood plastic template in use for architecture

Technical field

The invention belongs to Recycle of Waste Plastics field, particularly relate to the method utilizing waste PP reclaimed materials to produce wood plastic template in use for architecture.

Background technology

Polypropylene (PP) is a kind of hemicrystalline thermoplastics, has that shock strength is high, good mechanical property, an anti-advantage such as multiple organic solvent and acid and alkali corrosion, is widely used in industrial circle, is one of common macromolecular material.In recent years, due to the high speed development of real estate, the consumption of PP plastics is increasing, but the work-ing life of PP plastic material is about 1 ~ 3 year, just becomes waste after utilization, in addition the difficult degradable material of plastics, waste arbitrarily abandons or buries, and causes serious " white pollution ".In recent years, along with the deep enforcement of the strategy of sustainable development, the reproducible utilization of environment protection and resource becomes focus, and the recycling of plastics becomes new industry thereupon, not only solves the problem of " white pollution ", also creates huge economic benefit.

Large based on the consumption of waste PP plastics, rate of recovery advantages of higher, about the report of waste PP plastics recycling is more, as patent CN103382309A discloses the preparation method of a kind of mulberry fiber-glass composite strengthening PP plastic material, take ramulus mori as starting material, extract mulberry fiber through processing treatment, although reach the object strengthening waste PP plastic material performance, but high expensive, and certain loss is caused to ecological resources; Patent CN101302349A discloses a kind of maleic anhydride grafted polypropylene wood-plastic composite material and preparation method thereof, although achieve the object of strongthener over-all properties, product stain resistance is poor, can not be applicable to large, the heavy-polluted place of dust.

Summary of the invention

The object of the invention is to: a kind of method utilizing waste PP reclaimed materials to produce wood plastic template in use for architecture is provided, with waste PP plastics for main raw material, filling-modified and the rutile titanium dioxide repair process by wood fiber powder, reaches the object that cost is low, good product performance, stain resistance are strong.

To achieve these goals, the present invention adopts following technical scheme:

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, it is characterized in that: described Wood-plastic formwork is prepared from by following raw material:

Further, described wood fiber powder can be Pericarppium arachidis hypogaeae, beans straw powder.

Water content≤10% of described wood fiber powder.

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, it is characterized in that: the concrete steps of the method are:

1) the PP plastic warp sorting of reclaiming, washing, be broken into the segment of 1 ~ 2cm after airing, then with volume percent be 0.1% acetum and NaOH solution soak 10 ~ 15 minutes respectively, then to dry after washing 2 ~ 3 times with clear water;

2) step 1) gained reclaimed materials is put into mixing and blending machine together with all the other materials to mix, mixing speed is 500 ~ 800 revs/min, and churning time is 15 ~ 20 minutes;

3) compound sends into double-screw extruding pelletizing, and building form is produced in extrusion moulding.

Compared with prior art, beneficial effect of the present invention is:

1) with waste PP reclaimed materials for main raw material, economic environmental protection, has good Social benefit and economic benefit;

2) repair modification with Rutile type Titanium Dioxide, make product have higher stain resistance;

3) employing beans stalk, Pericarppium arachidis hypogaeae prepare xylon, have the advantage of low, the economic environmental protection of cost.

Embodiment

Below in conjunction with specific examples, technical scheme of the present invention is described further.

Embodiment 1

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, described Wood-plastic formwork is prepared from by following raw material:

Waste PP reclaimed materials 100 parts, wood fiber powder (50 order) 25 parts, 2 parts, lubricant paraffin, Compatibilizer C PE2 part, Hst.2 part, tackifier 5 parts, antioxidant 1010 0.5 part, Rutile type Titanium Dioxide 3 parts, fire retardant 8 parts, nano silicon 2 parts.

Further, described wood fiber powder is prepared by raw material with Pericarppium arachidis hypogaeae.

Water content≤10% of described wood fiber powder.

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, concrete steps are:

1) the PP plastic warp sorting of reclaiming, washing, be broken into the segment of 1 ~ 2cm after airing, then with volume percent be 0.1% acetum and NaOH solution soak 10 ~ 15 minutes respectively, then to dry after washing 2 ~ 3 times with clear water;

2) step 1) gained reclaimed materials is put into mixing and blending machine together with all the other materials to mix, mixing speed is 500 ~ 800 revs/min, and churning time is 15 ~ 20 minutes;

3) compound sends into double-screw extruding pelletizing, and building form is produced in extrusion moulding.

Embodiment 2

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, described Wood-plastic formwork is prepared from by following raw material:

Waste PP reclaimed materials 100 parts, wood fiber powder (80 order) 35 parts, 2.5 parts, lubricant paraffin, Compatibilizer C PE2.5 part, Hst.2.5 part, tackifier 6 parts, antioxidant 1010 0.8 part, Rutile type Titanium Dioxide 4 parts, fire retardant 9 parts, nano silicon 3.5 parts.

Further, described wood fiber powder is prepared by raw material with Pericarppium arachidis hypogaeae.

Water content≤10% of described wood fiber powder.

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, concrete steps are:

1) the PP plastic warp sorting of reclaiming, washing, be broken into the segment of 1 ~ 2cm after airing, then with volume percent be 0.1% acetum and NaOH solution soak 10 ~ 15 minutes respectively, then to dry after washing 2 ~ 3 times with clear water;

2) step 1) gained reclaimed materials is put into mixing and blending machine together with all the other materials to mix, mixing speed is 500 ~ 800 revs/min, and churning time is 15 ~ 20 minutes;

3) compound sends into double-screw extruding pelletizing, and building form is produced in extrusion moulding.

Embodiment 3

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, described Wood-plastic formwork is prepared from by following raw material:

Waste PP reclaimed materials 100 parts, wood fiber powder (100 order) 40 parts, 3 parts, lubricant paraffin, Compatibilizer C PE3 part, Hst.3 part, tackifier 7 parts, antioxidant 1010 1 part, Rutile type Titanium Dioxide 5 parts, fire retardant 10 parts, nano silicon 5 parts.

Further, described wood fiber powder is prepared by raw material with Pericarppium arachidis hypogaeae.

Water content≤10% of described wood fiber powder.

Utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, concrete steps are:

1) the PP plastic warp sorting of reclaiming, washing, be broken into the segment of 1 ~ 2cm after airing, then with volume percent be 0.1% acetum and NaOH solution soak 10 ~ 15 minutes respectively, then to dry after washing 2 ~ 3 times with clear water;

2) step 1) gained reclaimed materials is put into mixing and blending machine together with all the other materials to mix, mixing speed is 500 ~ 800 revs/min, and churning time is 15 ~ 20 minutes;

3) compound sends into double-screw extruding pelletizing, and building form is produced in extrusion moulding.

The Wood-plastic formwork adopting technical solution of the present invention to prepare has excellent mechanical property and physical and chemical performance, and its test index sees the following form 1.

Table 1-performance index

Test event	Embodiment 1	Embodiment 2	Embodiment 3
				Tensile strength/MPa	22.1	23.6	23.0
Elongation at break	220%	225%	220%
				Shock strength kj/M2	22.3	22.8	22.4
Oxygen index	28.2	27.6	28.1

Claims (4)

1. utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, it is characterized in that: described Wood-plastic formwork is prepared from by following raw material:

Waste PP reclaimed materials 100 parts, wood fiber powder (50 ~ 100 order) 25 ~ 40 parts, 2 ~ 3 parts, lubricant paraffin, Compatibilizer C PE2 ~ 3 part, Hst.2 ~ 3 part, tackifier 5 ~ 7 parts, antioxidant 1010 0.5 ~ 1 part, Rutile type Titanium Dioxide 3 ~ 5 parts, fire retardant 8 ~ 10 parts, nano silicon 2 ~ 5 parts.

2. utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture as claimed in claim 1, it is characterized in that: described wood fiber powder is prepared by Pericarppium arachidis hypogaeae, beans straw powder.

3. utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, it is characterized in that: water content≤10% of described wood fiber powder.

4. utilize waste PP reclaimed materials to produce the method for wood plastic template in use for architecture, it is characterized in that: the concrete steps of the method are:

1) the PP plastic warp sorting of reclaiming, washing, be broken into the segment of 1 ~ 2cm after airing, then with volume percent be 0.1% acetum and NaOH solution soak 10 ~ 15 minutes respectively, then to dry after washing 2 ~ 3 times with clear water;

2) step 1) gained reclaimed materials is put into mixing and blending machine together with all the other materials to mix, mixing speed is 500 ~ 800 revs/min, and churning time is 15 ~ 20 minutes;

3) compound sends into double-screw extruding pelletizing, and building form is produced in extrusion moulding.